(ft) (ft)
22.0 25.0 28.0 31.0 34.0 37.0 40.0
(72′2″) (82′0″) (91′10″) (101′8″) (111′7″) (121′5″) (131′3″)
50.7 49.4 48.2 47.0 46.2 45.5 44.1
(111.7) (108.9) (106.2) (103.6) (101.8) (100.3) (97.2)
40.3 39.1 37.9 36.8 36.1 35.4 34.1
(88.8) (86.1) (83.5) (81.1) (79.5) (78) (75.1)
32.2 31.1 30.0 28.9 28.2 27.6 26.4
(70.9) (68.5) (66.1) (63.7) (62.1) (60.8) (58.2)
26.2 25.0 24.1 23.1 22.5 21.8 20.7
(57.7) (55.1) (53.1) (50.9) (49.6) (48) (45.6)
21.5 20.5 19.5 18.6 17.9 17.3 16.2
(47.3) (45.1) (42.9) (41) (39.4) (38.1) (35.7)
17.8 16.8 15.8 14.8 14.2 13.6 12.6
(39.2) (37) (34.8) (32.6) (31.3) (29.9) (27.7)
14.5 13.5 12.6 11.7 11.1 10.5 9.5
(31.9) (29.7) (27.7) (25.7) (24.4) (23.1) (20.9)
11.9 11.0 10.1 9.2 8.6 8.1 7.1
(26.2) (24.2) (22.2) (20.2) (18.9) (17.8) (15.6)
9.7 8.7 7.8 7.0 6.5 6.0
(21.3) (19.1) (17.1) (15.4) (14.3) (13.2)
7.9 6.9 6.0 5.2
(17.4) (15.2) (13.2) (11.4)
6.2
(13.6)
4444444
(104′12″)
(111′7″)
(72′2″)
(78′9″)
(85′4″)
(91′10″)
(52′6″)
(59′1″)
(65′7″)
16
18
20
(45′11″)
(111′7″)
穿绳数Number of rope
(85′4″)
(91′10″)
(98′5″)
(104′12″)
30
32
(45′11″)
(52′6″)
Length of boom(m)
Length of jib(m) (ft)
radius(m) (ft)
( not including Jib hook, counterweight (187.8+12.8)×1000lbs, angle between boom and jib 23°)
28
34
16
18
28
22
24
26
(59′1″)
(65′7″)
(72′2″)
(78′9″)
58.5
(191′11″)
Load Charts of Boom Hook for LJ Operating condition
Length of jib(m) (ft)
radius(m) (ft)
14
Unit：kg(lb)×1000
Length of boom(m)
34
穿绳数Number of rope
24
26
20
14
22
30
32
(98′5″)
4.6: 25/28
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